Director/PDMR Shareholding

ABB Ltd
20 December 2005

ABB Ltd directors' dealings

In accordance with Article 6 paragraph 4 of the EU Directive 2003/6 on insider
dealing and market manipulation (market abuse), as implemented into national
law, ABB Ltd is required to disclose transactions in ABB shares, derivatives or
other financial instruments linked to them, conducted by or on behalf of persons
discharging managerial responsibilities or persons closely associated with them
(for Germany: Notification concerning transactions by persons performing
managerial responsibilities pursuant to section 15a of the WpHG).

Notification by:                                            Position/Title:
Peter Smits                                                 Member of the Executive Committee
Employee Share Acquisition Program
Transaction date:                                           15-Nov-2005
Notification date:                                          19-Dec-2005
Purchase/Sale:                                              Purchase
Issuer:                                                     ABB Ltd
Address:                                                    Affolternstrasse 44, CH-8050 Zurich
ISIN (International Security Identification Number):        CH0012221716
Security:                                                   Share
Place:                                                      n/a
Nominal value:                                              CHF 2.50
Number:                                                     1,430
Currency:                                                   CHF
Price per share:                                            CHF 6.95
Volume:                                                     CHF 9,939


Notification by:                                            Position/Title:
Gary Steel                                                  Member of the Executive Committee
Employee Share Acquisition Program
Transaction date:                                           15-Nov-2005
Notification date:                                          19-Dec-2005
Purchase/Sale:                                              Purchase
Issuer:                                                     ABB Ltd
Address:                                                    Affolternstrasse 44, CH-8050 Zurich
ISIN (International Security Identification Number):        CH0012221716
Security:                                                   Share
Place:                                                      n/a
Nominal value:                                              CHF 2.50
Number:                                                     1,430
Currency:                                                   CHF
Price per share:                                            CHF 6.95
Volume:                                                     CHF 9,939




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